31results about How to "Inspiring" patented technology

The invention discloses a method and system for detecting sample relevance based on label propagation. The method comprises the steps that a sample set is acquired; characteristics and relevance degrees of the sample set in each dimension are calculated; samples and sample characteristics are taken as nodes; a relevance network diagram is established by connecting lines and enclosing edges of the samples and the nodes which have the relevance; characteristics of a to-be-detected sample are acquired and imbedded into the relevance network diagram; a multiplying product of weights of the to-be-detected sample in the new relevance network diagram and samples on each connecting line is calculated; and the samples on the corresponding connecting lines are output if the multiplying product exceeds a preset value. By the method disclosed by the invention, more information can be judged according to codes and sample attributes; relevance relations are more accurate; and enlightenment effects are better. The method has the advantages that the samples with the relevance can be effectively output and used to further judge whether the to-be-detected sample is a counterfeit document; and the method can assist in detection of malicious codes.

The invention discloses a mechanics experimental instrument of rotation paraboloids. The mechanics experimental instrument is used for mechanical rule demonstration for the rotation paraboloids in or after class. Three silvery smooth metal rings of the same material and size sleeve three parabolas made of metal wires respectively and are combined with a motor, so that the stability of objects on the rotation paraboloids is demonstrated, and rules of a liquid differential element in a rotation liquid surface are researched. Compared with the prior art, the experimental instrument has the advantages that f the three metal wire parabolas of different colors are driven by the motor and stable in the rotation speeds, mechanics stability effects of the three metal rings in the three rotation paraboloids can be seen simultaneously, mechanical rules of the liquid differential element in the rotation liquid surface are effectively indirectly demonstrated, and the experimental instrument, as an instrument of demonstrative experiment, is highly inspiring, ingenious in ideals, simple in structure, easy to realize, convenient to operate and obvious in visual effects.

The invention provides a sample correlation detection method and system and electronic equipment. The method comprises the following steps: acquiring a sample set, calculating the characteristics and correlation degree of the sample set in each dimension, taking the samples and sample characteristics as nodes, and surrounding connecting lines of samples with the correlation degree and the nodes to construct a correlation network diagram; and acquiring characteristics of to-be-detected samples, embedding the characteristics of the to-be-detected samples into the correlation network diagram, calculating a product of correlation degree values of the to-be-detected samples in a novel correlation network diagram and samples on each connecting line, and outputting the samples on corresponding connecting lines if the product is greater than a second preset value. According to the method disclosed by the invention, more information can be judged by utilizing codes and sample attributes, the correlation is more accurate, and the instructiveness is higher. The samples with correlation can be effectively output, and the method can be widely applied to the fields of malicious code detection, malicious code analysis and the like.

The invention relates to a fennel straw incense and a preparation method thereof. The fennel straw incense consists of the following components in percentage by weight: 33-51% of fennel straw powder in terms of the total amount of a base stock, 25-34% of plant sticky powder in terms of the total amount of the base stock, 21-32% of natural perfume powder in terms of the total amount of the base stock and 1-3% of tea seed powder in terms of the total amount of the base stock. The base stock adopted by the incense provided by the invention is a natural plant; the prepared fennel straw incense is pure natural, pollution-free, high in safety and light in smoke when used; by applying the fennel straw to incense making raw materials, the comprehensive utilization of a waste fennel straw resource is achieved; and the developed fennel straw incense has the advantages of being unique in fragrance and being capable of expelling wind and dispelling cold, warming kidney and dispelling cold, harmonizing stomach and regulating qi, and the like.

The invention discloses a method for demonstration of a rotating variable parabola. A device is mainly formed by water, dyed kerosene, a water-containing flat square box, a motor, a power source, a table and a mobile phone. The method is characterized in that a plastic turntable is fixed on a rotating shaft of the motor, the water-containing flat square box is inserted in a groove of the plastic turntable and fixed, one end of a light straight rod is perpendicular to the water-containing flat square box and fixed on the plastic turntable, and the mobile phone is fixed at the other end of the light straight rod. The water-containing flat square box is a flat square box which is made of a transparent resin plate and has a top provided with a hole, one side of the water-containing flat squarebox is engraved with a grid, a certain amount of water and dyed kerosene are contained in the water-containing flat square box, and a rubber plug is inserted in a square box hole to make the water-containing flat square box sealed. During the demonstration, the water-containing flat square box and the mobile phone rotate with the motor at the same angular speed, the liquid level of the dyed kerosene in the water-containing flat square box at a corresponding rotating speed is observed, the law of a rotating liquid surface parabolic equation is explored, and the interface law of two synchronously-rotating liquids not dissolved with each other is explored. The manufacturing cost is low, the manufacturing is easy, and the effect is obvious.

The invention discloses a structure of a self-supporting supercapacitor electrode material and a preparation method. A flexible substrate material with high conductivity is taken as a conductive bracket; a layer of active material nanosheets which are vertically arranged, are of a cross-linked structure and have pseudocapacitive performance grows on the surface of the flexible substrate material;and a layer of conductive polymers uniformly coats the surfaces of the active material nanosheets. The prepared electrode material has high capacity and relatively high electrochemical stability, is successfully applied to a supercapacitor electrode and has excellent performance.

The invention discloses a preparation method of a Ca-Mg-Al-Si porous microcrystalline glass, and belongs to the field of microcrystalline glass filter materials. The preparation method comprises following steps: weighing MgO, SiO2, CaO, Na2CO3, Na2B4O7, Al2O3, Fe2O3, and stainless steel slag, evenly mixing, adding the mixture into a crucible, placing the crucible in a muffle furnace, maintaining atemperature of 1400 to 1500 for 3 to 5 hours; taking out the mixture, quenching the mixture by cold water to obtain water quenched glass; breaking the water quenched glass, ball-milling the glass, fully mixing the glass with NaCl, placing the mixture in an electric spark plasma sintering furnace, carrying out hot pressed sintering for 1 to 3 minutes at a constant temperature of 650 to 725 DEG C under a pressure of 45 to 50 kN; placing sintered and moulded Ca-Mg-Al-Si porous microcrystalline glass into water, washing, and soaking to obtain the Ca-Mg-Al-Si porous microcrystalline glass. The provided preparation method can obtain the porous microcrystalline glass for different filter objects, the porosity and pore size of the microcrystalline glass are adjustable, the strength is high, and the microcrystalline glass has communicated pores.

The invention discloses a hemodialysis complication long-term risk prediction system based on a convolutional survival network. The hemodialysis complication long-term risk prediction system comprisesa data acquisition module, a data preprocessing module, a learning prediction module and a result display module. According to the invention, a convolutional neural network is used for processing multi-dimensional hemodialysis time sequence characteristics; a convolutional neural network is combined with a Cox proportion risk hypothesis to propose a convolutional survival network; on the basis ofusing a convolutional survival network, a Breslow estimation reference risk function is used to calculate the long-term risk change condition of a patient. According to the invention, common truncation data in medical research can be fully utilized; a main body framework of the convolutional neural network is applied, so that visual analysis is facilitated, and an interpretable and heuristic result is made; and the long-term risk change condition of the patient can be predicted.

The invention relates to a method for calculating the drift velocity of an ionospheric irregularity based on the phase screen theory. The method includes the following steps: obtaining a relationshipbetween a phase change and a propagation path; at a receiver end, converting the spatial variation of a phase into a relationship between the phase change and the time, and forming association with atime change of ionospheric electron content TEC; associating the time change of the ionospheric electron content TEC with an ROTI index time change rate; on the basis of ionospheric amplitude scintillation indexes and a signal-to-noise ratio, obtaining functional expressions among a time change ratio of the drift velocity of an ionospheric irregularity in an IGRF coordinate and components of the ionospheric irregularity in x and y directions to ROTI, the ionospheric amplitude scintillation indexes, the signal-to-noise ratio and an satellite elevation angle. According to the invention, relations among the time change ratio of the drift velocity of the ionospheric irregularity to ROTI indexes, the ionospheric amplitude scintillation indexes S4, the signal-to-noise ratio and the satellite elevation angle can be obtained. The method realizes in-depth research on a coupling mechanism between the ionospheric irregularity and ionospheric scintillation caused by the ionospheric irregularity.

The invention provides a two-section damping continuous adjusting valve for a shock absorber. The two-section damping continuous adjusting valve comprises damping adjusting units, an adjusting valve base and a packaging valve assembly. The adjusting valve base is installed on a piston valve of the shock absorber, a plurality of damping holes are formed in the adjusting valve base, the movable damping adjusting units are installed on the adjusting valve base, damping holes corresponding to the adjusting valve base are formed in the damping adjusting units, and a main valve element of the packaging valve assembly moves up and down, so that the damping holes of the damping adjusting units partially or completely communicate with the damping holes of the adjusting valve base. According to the two-section damping continuous regulating valve for the shock absorber, continuous adjustment of damping force is achieved by adjusting the through-flow area of the first section of damping and the through-flow area of the second section of damping respectively, the damping adjustment range of the shock absorber or the damping valve is greatly expanded, and the two-section damping continuous adjusting valve has the advantages that active control is achieved, damping is steplessly adjustable, the damping adjustment process is stable, the dynamic response speed is high, and the structure is simple.

The invention relates to a method for manufacturing a healthcare photo frame. The method comprises the following steps of: firstly, preparing a healthcare solution by mixing lavender essential oil, bergamot, chamomile and clary sage in equal proportion; secondly, manufacturing a photo frame by whole wood blocks sawn from a tree by an electric saw; and soaking the photo frame in the healthcare solution for 15 days; and finally taking out the photo frame and drying in the sun to obtain the healthcare photo frame. When the manufactured healthcare photo frame can generate fragrant smell indoor, the fragrant smell is beneficial for human body and health and has the effects of steadying the mood, inspiring people and relieving depressed mood.

The invention discloses a vacuum self-made teaching tool unable to emit a sound. The vacuum self-made teaching tool is characterized by comprising a music player and a vacuum device, wherein a speaker device is arranged on the music player and arranged inside the vacuum device; the vacuum device comprises a cylinder; a pinhole seat is arranged at one end of the cylinder; a microtelephone device is arranged inside the pinhole seat, and electrically connected with a sound amplifying device through a lead; a connecting rod penetrates through and is arranged at one end, far away from the pinhole seat, of the cylinder; a piston is arranged at one end of the connecting rod extending inside the cylinder; the speaker device is arranged on the piston; the lead is wound on the connecting rod; one end of the lead is connected with the speaker device and the other end of the lead is connected with a lead which is connected with the music player. The vacuum self-made teaching tool is easy to draw materials, simple to operate, and straightforward in phenomenon, has the scientificity, the innovativeness and the enlightening property, and also simultaneously has the characteristics of being small in volume, and convenient to carry and operate.

A multifunctional cosmetic waterproof performance detection system comprises a bionic pool, a physicochemical index detection device and a PLC central processing control device. The bionic pool comprises a pool body, a water temperature regulator and a booster water pump. A participant seat pier is arranged in the center of the pool body, a wave-making water port is formed in the pool wall of thewater pool body, the wave-making water port simulates a water flow surging environment in a pond under a natural environment in the pool body by adjusting the water outlet flow, the flow speed and thewater pressure through the booster water pump, a water return port is formed in the bottom of the seat pier and communicated with a water inlet of the water temperature regulator through a water return pipe, so that a water circulation system of the pool body is formed, and cosmetics smeared on the body of a subject are subjected to waterproof performance inspection in the water environment closeto the nature. The invention provides a set of complete detection system for detecting the stability of cosmetics after the cosmetics are combined with the human skin, the physical and chemical changes of cosmetics generated after the cosmetics are combined with the human skin and other waterproof performances, so as to improve the detection standard of the quality of the cosmetics.

The invention discloses a mechanics experimental instrument of rotation paraboloids. The mechanics experimental instrument is used for mechanical rule demonstration for the rotation paraboloids in or after class. Three silvery smooth metal rings of the same material and size sleeve three parabolas made of metal wires respectively and are combined with a motor, so that the stability of objects on the rotation paraboloids is demonstrated, and rules of a liquid differential element in a rotation liquid surface are researched. Compared with the prior art, the experimental instrument has the advantages that f the three metal wire parabolas of different colors are driven by the motor and stable in the rotation speeds, mechanics stability effects of the three metal rings in the three rotation paraboloids can be seen simultaneously, mechanical rules of the liquid differential element in the rotation liquid surface are effectively indirectly demonstrated, and the experimental instrument, as an instrument of demonstrative experiment, is highly inspiring, ingenious in ideals, simple in structure, easy to realize, convenient to operate and obvious in visual effects.

The invention discloses a fluorescent imprinting membrane for in-situ visual detection of root exudates and its preparation and application. The invention uses cadmium telluride quantum dots as a fluorescence detection source, and incorporates them into a molecularly imprinted polymer with a single plant root exudate as a template, aminopropylsiloxane, phenylsiloxane and a cross-linking agent, Finally, it was loaded on a gel membrane to prepare a fluorescent blotting membrane for in situ visualization and specific detection of chlorogenic acid. The obtained fluorescent blotting membrane can visually detect exudates from plant root exudates in situ, can only respond specifically to specific exudates in a complex system, has a high specific response value, is safe, non-toxic, and can be reused.

The invention provides a wide and thick sheet all hydraulic multi-roller temperature straightening machine HGC hydraulic cylinder dismounting and mounting method. The HGC hydraulic cylinder dismounting method comprises the following steps of S1) the releasing step of a peripheral connecting component of an HGC hydraulic cylinder; S2) the releasing step of a valve stand and / or pressure cylinder valve stand; S3) the mounting step of a sliding groove frame; and S4) the moving-out and dismounting step of the HGC hydraulic cylinder. The HGC hydraulic cylinder mounting method comprises the steps ofs1) the moving-in and mounting step of the HGC hydraulic cylinder, s2) the dismounting step of the sliding groove frame; s3) the mounting step of the valve stand and / or pressure cylinder valve stand;and s4) the connecting step of the peripheral connecting component of the HGC hydraulic cylinder, that is, the reverse flow operation of the HGC hydraulic cylinder dismounting method. According to themethod, dismounting and mounting of the HGC hydraulic cylinder are assisted by the sliding groove frame, so that the oblique pulling and hoisting of the major part of the HGC hydraulic cylinder is avoided, the large dismounting type dismounting and mounting mode of dismounting an upper cross beam is also avoided, the operation is facilitated, and the safety of personnel and equipment is guaranteed.

The invention relates to a device and method for a prestressed duct, in particular to an antirust oil injection device for a steel cable in a prestressed duct and an oil injection method thereof, and belongs to the technical field of building engineering construction. The device and the method are designed for complex environments with large tonnage, super-long cables and anomalous events and are achieved through machining and manufacturing, simulation test and entity application practice. The device is simple in principle and convenient to operate; the profile occupied space is small, the weight is low, carrying is easy, the manufacturing cost is low, and the safety risk of high-altitude operation is low; the oil injection effect is good, cost is saved, efficiency is high, cost is low, and practicability is high; and at the same time, design requirements are met, the cost can also be lowered, the efficiency is improved, the time limit for a project is shortened, and the project quality is improved.

The invention discloses an angular velocity vector synthesis demonstration instrument. Demonstration angular velocity physical quantity is a vector, and a synthesis angular velocity vector and a dimidiate angular velocity vector abide by a parallelogram law for vector synthesis. The angular velocity vector synthesis demonstration instrument comprises an underframe and two fixing supports mounted on the underframe, the upper ends of the fixing supports are connected with a semi-circular-arc scale through screws, three movable arrows are distributed on the semi-circular-arc scale, a right handwheel, a left handwheel and a wheel slider are triangularly fixed on the underframe and form a plane, a ball is placed on the plane, and red points are uniformly distributed on the surface of the ball.

The invention discloses an antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang as well as a preparation method and application thereof. The traditional Chinese medicine composition mainly comprises a plurality of parts by weight of curculigo rhizome and a plurality of parts by weight of herb of korean epimedium in a weight ratio of (1:1.5)-(1:3.0). The antidepressant traditional Chinese medicine composition also comprises a pharmaceutically acceptable auxiliary material. A dressing or an excipient comprises a solvent, a disintegrating agent, a correctant, a preservative and a colorant. The antidepressant traditional Chinese medicine composition can be prepared into clinically acceptable dosage forms including tablets, capsules, pills, particles, suspension agents, drop pills, oral liquid preparations, injections, aerosols and suppositories. The preparation method of the antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang comprises a step of adopting water extraction or alcohol extraction preferably water extraction. The antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang can be used for preventing or treating depression, and is suitable for depression patients with yang energy closing, yang depression mental deterioration, low spirit, slow thinking, laziness in speaking an less movement and sagged spirits.

The invention discloses a heuristic experimental method for manufacturing a RFID tag antenna pattern. The method is characterized by comprising the following steps of: packaging the self-manufactured antenna pattern into a tag and comparing the performance of the tag with that of a tag in a standard pattern; finding an impact factor of the pattern; and optimizing the design of the antenna pattern. Compared with the prior art, the experimental method has the advantages of simple experiment and high heuristic property. Therefore, an experimenter understands the influence of the antenna pattern on the tag performance by repeatedly manufacturing and finely adjusting the tag antenna pattern, gets cognitive knowledge of the performance of an electronic tag, and better develops and designs a tag antenna pattern with good performance. Therefore, better effect is expected to be achieved, and the experimenter is enlightened to perform creative design.

This patent discloses a dynamic and variable parabola experimental instrument, which is mainly composed of a flat square box for holding water, a motor, a power supply, a table and a mobile phone. Fixed in the groove of the turntable, one end of a lightweight straight rod is perpendicular to the water flat square box and fixed on the plastic turntable, and the other end fixes the mobile phone; the water flat square box is made of transparent resin board with holes on the top Flat square box, one side of the flat square box for water is engraved with a grid, put a certain amount of water and a little dyed kerosene into the flat square box for water, and insert a rubber plug into the hole of the square box to seal the flat square box for water; The water flat square box and the mobile phone rotate together with the motor at the same angular speed, and the liquid level in the water flat square box at the corresponding speed can be observed to explore the parabolic equation. The manufacturing cost is low, the production is easy, and the effect is obvious.

The invention discloses an ornithopter flapping wing driving mechanism for science and education demonstration, and belongs to the technical field of the science and education demonstration. The ornithopter flapping wing driving mechanism comprises a machine frame and a motional assembly mounted on the machine frame, wherein the motional assembly comprises a speed-reducing motor, a shaft coupler and an adjustable crank and rocker mechanism; the speed-reducing motor drives the adjustable crank and rocker mechanism to move through the shaft coupler; the adjustable crank and rocker mechanism comprises an adjustable crank and a pair of rocker assemblies; the adjustable crank comprises a transmission shaft, a crank, a slide block and an adjusting screw rod; the adjusting screw rod runs througha crank threaded hole and a slide block threaded hole in a screwing manner so as to limit the slide block in a strip-shaped sliding slot; each rocker assembly comprises a connecting rod and a rocker arm; the middle parts of the rocker arms are hinged to the machine frame through rotating shafts; the lower ends of the connecting rods are hinged to a short shaft of the adjustable crank; the upper ends of the connecting rod are hinged to the inner ends of the rocker arm. The ornithopter flapping wing driving mechanism has the characteristics of a long service life, convenience and safety in operation, simpleness, easy understanding, strong enlightenment, suitability for popularization and the like.

The invention discloses a network flow multi-sequence matching method, system and device and a readable storage medium, and the method comprises the steps: compressing all to-be-matched sequences, reducing the total length of a calculation sequence, extracting vectors in all to-be-matched sequences, carrying out the duplication removal of the extracted vectors, building a bidirectional connection pointer, counting the occurrence frequency of each dimension of all vectors after deduplication, establishing a multi-fork decision tree based on information gain according to the occurrence frequency, sending each vector of a matched sequence into the multi-fork decision tree in sequence to obtain a vector matching result, decoupling vector matching and sequence matching, designing and optimizing a vector matching method and a multi-sequence matching method respectively, so that multiple sequence features are matched more quickly, the calculation process of the algorithm is accelerated, and the space-time complexity of a traditional algorithm is reduced. Under the condition that large-scale network flow multi-sequence matching is carried out, the calculation amount can be greatly reduced under the condition that the matching effect is ensured, and the time cost of model feature generation is saved.

The invention relates to a method for calculating the drift speed of ionospheric irregularities based on the phase screen theory to obtain the relationship between the phase change and the propagation path; at the receiver end, the spatial change of the phase can be converted into the relationship between the phase change and time, It is related to the time change of ionospheric electron content TEC; the time change of ionospheric electron content TEC is related to the time change rate of ROTI index; according to the ionospheric amplitude scintillation index and signal-to-noise ratio, the ionospheric irregularities are obtained in The drift velocity in the IGRF coordinate system and its components in the x and y directions are related to the time rate of change of ROTI, the scintillation index of the ionospheric amplitude, the signal-to-noise ratio and the satellite elevation angle. The present invention obtains the relationship between the drift speed of ionospheric irregularities and the time rate of change of ROTI index, ionospheric amplitude scintillation index S4, signal-to-noise ratio and satellite elevation angle, and the method can realize ionospheric irregularities and the resulting In-depth study of the coupling mechanism between ionospheric scintillations.

The invention relates to a device and method for a prestressed duct, in particular to an antirust oil injection device for a steel cable in a prestressed duct and an oil injection method thereof, and belongs to the technical field of building engineering construction. The device and the method are designed for complex environments with large tonnage, super-long cables and anomalous events and are achieved through machining and manufacturing, simulation test and entity application practice. The device is simple in principle and convenient to operate; the profile occupied space is small, the weight is low, carrying is easy, the manufacturing cost is low, and the safety risk of high-altitude operation is low; the oil injection effect is good, cost is saved, efficiency is high, cost is low, and practicability is high; and at the same time, design requirements are met, the cost can also be lowered, the efficiency is improved, the time limit for a project is shortened, and the project quality is improved.

The invention discloses an overlapping factor calibration device and a calibration method of a ground-based aerosol lidar system, including a laser emitting system, a receiving system, and an acquisition and processing system; the receiving system includes a main telescope and an auxiliary telescope, and the main telescope receives The signal is divided into two paths after passing through the first aperture diaphragm, the first collimating eyepiece and the first polarization cube beamsplitter prism, and the signal reflected by the first polarization cube beamsplitter prism enters the first photomultiplier tube channel; The signal received by the auxiliary telescope enters the fourth photomultiplier tube channel after passing through the second aperture diaphragm, the linear polarizer and the second collimating eyepiece; the acquisition system includes a data acquisition card and an industrial computer, and the data acquisition card acquires The signals of each photomultiplier tube channel are sent to the industrial computer for processing. The invention can solve the limitation problem of aerosol observation near the ground in the atmospheric boundary layer of the ground-based aerosol lidar.

The invention discloses an antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang as well as a preparation method and application thereof. The traditional Chinese medicine composition mainly comprises a plurality of parts by weight of curculigo rhizome and a plurality of parts by weight of herb of korean epimedium in a weight ratio of (1:1.5)-(1:3.0). The antidepressant traditional Chinese medicine composition also comprises a pharmaceutically acceptable auxiliary material. A dressing or an excipient comprises a solvent, a disintegrating agent, a correctant, a preservative and a colorant. The antidepressant traditional Chinese medicine composition can be prepared into clinically acceptable dosage forms including tablets, capsules, pills, particles, suspension agents, drop pills, oral liquid preparations, injections, aerosols and suppositories. The preparation method of the antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang comprises a step of adopting water extraction or alcohol extraction preferably water extraction. The antidepressant traditional Chinese medicine composition for warmly invigorating kidney yang can be used for preventing or treating depression, and is suitable for depression patients with yang energy closing, yang depression mental deterioration, low spirit, slow thinking, laziness in speaking an less movement and sagged spirits.

This patent discloses a method for demonstrating a rotating and variable parabola, which is mainly composed of water, dyed kerosene, a flat square box for holding water, a motor, a power supply, a table and a mobile phone, and is characterized in that: a plastic turntable is fixed on the rotating shaft of the motor, and a plastic turntable is filled with water. The flat square box is inserted into the groove of the plastic turntable and fixed. One end of a lightweight straight rod is perpendicular to the water-filled flat square box and fixed on the plastic turntable, and the other end is fixed to the mobile phone; the water-filled square box is made of transparent resin board A flat square box with a hole on the top, a grid engraved on one side of the water-filled flat square box, a certain amount of water and dyed kerosene are put into the water-filled flat square box, and a rubber plug is inserted into the square box hole to make the water-filled flat square box Box seal; Demonstrate fashion water flat square box and mobile phone rotate together with the motor at the same angular speed, observe the dyed kerosene liquid level in the water flat square box at the corresponding speed, explore the law of the parabolic equation of the rotating liquid level, and explore the two synchronous rotation Interface laws of immiscible liquids. The manufacturing cost is low, the production is easy, and the effect is obvious.